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L4938NPD Datasheet(PDF) 3 Page - STMicroelectronics

Part # L4938NPD
Description  DUAL MULTIFUNCTION VOLTAGE REGULATOR
PDF  12 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4938NPD Datasheet(HTML) 3 Page - STMicroelectronics

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Obsolete
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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
DC Supply Voltage
28
V
Transient Supply Voltage (T < 1s)
40
V
Tj, Tstg
Junction and Storage Temperature Range
–55 to 150
°C
ISI
Sense Input Current (VSI
≤0.3V or VSI > VS)
±1
mA
IEN
Enable Input Current (VEN
≤0.3V)
±1
mA
VEN
Enable Input Voltage
VS
VRES, VSO
Reset and Sense Output Voltage
20
V
IRES, ISO
Reset and Sense Output Current
5
mA
PD
Power Dissipation
875
mW
REG1
1.23V
REFERENCE
REG2
RESET
2.0V
1.23V
1.23V
SENSE
(optional)
VS1
VS2
EN
SI
SO
RES
CT
ADJ
VO2
VO1
GND
D94AT144A
CS
CT
CO2
CO1
RRES
RSO
2
µ
VO1
APPLICATION CIRCUIT
CS
≥ 1µF ; C01 ≥ 6µF ; C02 ≥ 10µF, ESR < 10Ω at 10KHz
Note : The circuit is ESD protected according to MIL–STD–883C.
L4938N - L4938ND - L4938NPD
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